JPS5835632A - Character processing device - Google Patents

Abstract

PURPOSE:To generate a sentence having a specific format easily in a high speed, by setting preliminarily all tabs for multiple screens of an output device such as a CRT. CONSTITUTION:Data is read by a keyboard controller 6; and if data is concerned in the tab operation, data is supplied to a RAM 14. When data indicates the tab set, addresses are stored in memories TBFP and TBLP of the RAM 14. When data indicates a tab key, data of a memory PCR is subtracted from contents of the address, which is indicated by the memory TBFP, successively up to contents of the memory TMLP, and a value which is obtained when the difference is positive first is written in the memory PCR. Thus, only the part of page information of the memory PCR is read out, and data on one screen extending over plural pages is read out on a CRT.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a character processing device having a free tablage function over a plurality of screens in character input.

Conventionally, this type of device can only set tabs on the same side of an output device such as a display. There are 6 drawbacks to setting tabs as if the page is being changed, such as when you want to change pages.Also, when the text covers several pages on the screen, when returning from the last page to the first page, press the previous stroke key as many times as necessary. I needed to push.

The purpose of this VSO is to eliminate the above drawbacks. In other words, by setting all the tabs for multiple side fractions of an output device such as a CRT in advance, you can easily
Does it have a specific format? An object of the present invention is to provide a character processing device that can create nine sentences.

Other objects of the present invention are described below with reference to the drawings. [Morning] it will be full of feathers.

An embodiment of the present invention will be described below with reference to the drawings. III
Figure shows the embodiment of the present invention 01. In the illustrated configuration, l is a microlog set! De), 2
is an address bus, which specifies the address of each person's output memory. t7'j,3 is a data bus, which is a bidirectional path used for various data O transfers.To! 4 is a control bus, read and write each memory, etc.
It is used to transmit information such as accepting interconnected messages and timing of data sets. Furthermore, 5 is a keyboard, and as shown in FIG. 1112, various keys such as alphabet keys and hiragana keys are arranged, and 6 is a keyboard control 4-2.

In FIG. 92, the tab set key 21 stores the page number and cursor position information on the display screen in the register T.
The tab key 23 has the function of moving cursor 0 according to the tab information stored in the tab buffer 7 group, and the tab reset key 22 is used for tab operation. This key clears the contents of all associated registers TBFP, TBDP, TB to known values. The nine data entered by the keyboard 5 are transferred to the keyboard controller 6.
and sends an ink-rat signal to the control bus 4.

Next, 7 is the CRT controller 1), CRT device 8
, Character Generator 9, Su7 Ressie Memo 910
7. Controls the second memory controller 11. Also, 8 is a CRT device, which has a display similar to that of traditional television receivers.

M3 Zusha Line CG'riI & Oki801i Device [M! 〇O is the cursor (Toj), the display screen of the CRT fj device mK is the designation mark that specifies one of the displayed sentence #Ph, the line symbol 00 is the left margin mark, ・Hiroright ! -Jin! - Ria), display on the CRT device to the operator
j The characters and symbols on both strokes indicate the left and right edges.

In the case of this example, there are 40 characters per line on the display screen,
Both strokes have 15 lines. Reference numeral 9 is a character generator, which sequentially outputs the pattern of the line of the character pattern such as character code and line address of the character pattern, and 1o#isu7reshi≧memory; Memorize the character code to be displayed on the αT device 8, and
li is a refresh memory controller that repeatedly outputs the character code in response to display instructions from the T controller 7; ◇Furthermore, 12 is a read-only memory, that is, a so-called ROM, which stores the 9 control procedures shown in Fig. 4. This is a list of various mI1 donation levels. Also, 13 is the controller of ROM 12,
14-wire random access memory, i.e. the so-called R
AM is used for temporary storage of various data, and for example, tab buffers TB1 to TBnn, which store tab position information necessary for nn tab operations, and the first tab buffer, that is, TBI, are stored. The memory TBFP that indicates the address where the
Memory T indicating the address where nn is stored
A page cursor register PCB that stores the page and cursor position on the BLP and CRT screen, and a register 1 that stores key signals input from the keypad 5.
7 is a floppy disk drive device, and 18 is a controller 2 with a 70-pin drive device. 19 is a printer, and 20 is a controller for the printer.

The character writing device of the present invention, which is composed of the above-mentioned components, is operated by input from the keyboard 5, and when an input is made from the keyboard 5, an interwoven signal is transmitted to the microprocessor 1. Then, each 110 control operation necessary for character processing is performed according to the control procedure stored in the ROM 12. Next, the operation will be explained with reference to FIG.

In step 24, the keyboard controller 6 reads the data and registers the input data register INDR in the keyboard M14.
Put it in. In step 25, it is determined whether the data in INDR is data related to tab operations, and if the data is other than tab-related data, such as kana and English characters, or data for various controls, step 26 is performed to perform various input processing. For example, during the input of normal English characters and kana characters, kana-kanji conversion input by inputting kana characters, character code input, etc., and control processing are performed.

This processing is carried out by II & DAN similar to those realized by ordinary word processors, etc., and is directly applicable to the present invention. Since lK is not relevant, its explanation will be omitted.

On the other hand, if the data in the register INDR is data related to a tab operation in step 25, it is determined in step 27 whether or not it is a tab reset. If you find that it is tab reset data, step 2
8, the memory TBFP, T in RAM 14
BLP, clear buffer TB of known 0fllK.

If it is determined in step 27 that the key is not the tab reset key 22, the process goes to step 29 to determine whether it is the tab set key. If it is the tab set key 21, go to step 30 and determine whether the memory TBFP of the tab buffer first address pointer is cleared to known 0IIIiK, and if it is cleared to a known value, ζhere, The address where the buffer Ti1l in the RAM 14 should be stored, which was set in advance, is stored in the memory TlFF and TILPK0 from 30 to 31.
To O7'Q-, the tab set key 21 is pressed for the first time after the tab reset key 22 is pressed, and the tab set key 21 is pressed only at 9 o'clock. The memory TBLP_O content of the buffer address pointer is incremented by +1, and the process proceeds to step 33. In step 33, the contents of the page cursor register PCB are read and written to the address indicated in the memory TBLPK. This operation is performed when -21 is pressed during tab setting. Next, if it is determined in step 29 that it is not the tab set key, there is only the tab key 23 left, so go to step 350
Here, on the CR7 screen, in order to know which page and where the cursor is currently located, we will read the contents of the page cursor register's memory PCH0 and the memory TBF.
PCB in order from the contents of the address indicated by P to P t
Subtract the data, and first write the nine TBO values whose difference is positive to the PCB.

At this time, only the page information part of the PCR is read out, and one screen's worth of data corresponding to the page information is extracted from the memory, and! Copy the information above and have the user perform the 9-change operation on multiple pages.

In this way, the cursor moves to the tab position closest to the current cursor. If the cursor is past the last tab set, it will return to the first tab on the screen. By pressing the tab key in this way, you can tab multiple pages in any format.

As explained above, there is an effect that switching from one screen to another different screen and moving the cursor can be performed by simple key operations.

[Brief explanation of the drawing]

Figure H1 is a block diagram showing an embodiment according to the present invention, 112
81 is an explanatory diagram of the keyboard, FIG. 113 is an explanatory diagram of the CRT device, and FIG. 4 is a diagram showing the control procedure. 21...Tab setting in progress-, 22...Tab reset key Applicant Canon Co., Ltd.

Claims (1)

[Claims] An output means for outputting character information, a storage means for storing a plurality of pieces of screen information for one screen of the output means, and different tab positions are set in advance for each of the plurality of pieces of screen information stored in the storage means. tab position setting means for outputting screen information from within the storage means to the output means; and output instruction means for outputting screen information from within the storage means to the output means; A character processing device characterized by automatically indicating a tab position set in .